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https://github.com/Richard-Sti/csiborgtools.git
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* Update nb * Update script * Update script * Rename * Update script * Update script * Remove warning * Ignore minors when extracting MAH * Fix paths bug * Move notebooks * Move files * Rename and delete things * Rename file * Move file * Rename things * Remove old print statement * Add basic MAH plot * Add random MAH path * Output snapshot numbers * Add MAH random extraction * Fix redshift bug * Edit script * Add extracting random MAH * Little updates * Add CB2 redshift * Add some caching * Add diagnostic plots * Add caching * Minor updates * Update nb * Update notebook * Update script * Add Sorce randoms * Add CB2 varysmall * Update nb * Update nb * Update nb * Use catalogue HMF * Move definition of radec2galactic * Update nb * Update import * Update import * Add galatic coords to catalogues * Update nb
98 lines
3.7 KiB
Python
98 lines
3.7 KiB
Python
# Copyright (C) 2024 Richard Stiskalek
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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"""
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Script to extract the mass accretion histories in random simulations. Follows
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the main progenitor of FoF haloes.
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"""
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from argparse import ArgumentParser
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import csiborgtools
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import numpy as np
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from h5py import File
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from mpi4py import MPI
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from taskmaster import work_delegation # noqa
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from tqdm import trange
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from cache_to_disk import cache_to_disk
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@cache_to_disk(30)
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def load_data(nsim, simname, min_logmass):
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"""Load the data for a given simulation."""
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bnd = {"totmass": (10**min_logmass, None), "dist": (None, 135)}
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if "csiborg2_" in simname:
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kind = simname.split("_")[-1]
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cat = csiborgtools.read.CSiBORG2Catalogue(nsim, 99, kind, bounds=bnd)
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merger_reader = csiborgtools.read.CSiBORG2MergerTreeReader(nsim, kind)
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else:
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raise ValueError(f"Unknown simname: {simname}")
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return cat, merger_reader
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def main_progenitor_mah(cat, merger_reader, simname, verbose=True):
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"""Follow the main progenitor of each `z = 0` FoF halo."""
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indxs = cat["index"]
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# Main progenitor information as a function of time
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shape = (len(cat), cat.nsnap + 1)
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main_progenitor_mass = np.full(shape, np.nan, dtype=np.float32)
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group_mass = np.full(shape, np.nan, dtype=np.float32)
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for i in trange(len(cat), disable=not verbose, desc="Haloes"):
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d = merger_reader.main_progenitor(indxs[i])
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main_progenitor_mass[i, d["SnapNum"]] = d["MainProgenitorMass"]
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group_mass[i, d["SnapNum"]] = d["Group_M_Crit200"]
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return {"Redshift": [csiborgtools.snap2redshift(i, simname) for i in range(cat.nsnap + 1)], # noqa
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"MainProgenitorMass": main_progenitor_mass,
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"GroupMass": group_mass,
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"FinalGroupMass": cat["totmass"],
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}
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def save_output(data, nsim, simname, verbose=True):
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"""Save the output to a file."""
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paths = csiborgtools.read.Paths(**csiborgtools.paths_glamdring)
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fname = paths.random_mah(simname, nsim)
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if verbose:
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print(f"Saving output to `{fname}`")
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with File(fname, "w") as f:
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for key, value in data.items():
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f.create_dataset(key, data=value)
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if "__main__" == __name__:
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parser = ArgumentParser(description="Extract the mass accretion history in random simulations.") # noqa
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parser.add_argument("--simname", help="Name of the simulation.", type=str,
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choices=["csiborg2_random"])
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parser.add_argument("--min_logmass", type=float,
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help="Minimum log mass of the haloes.")
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args = parser.parse_args()
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COMM = MPI.COMM_WORLD
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paths = csiborgtools.read.Paths(**csiborgtools.paths_glamdring)
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nsims = paths.get_ics(args.simname)
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def main(nsim):
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verbose = COMM.Get_size() == 1
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cat, merger_reader = load_data(nsim, args.simname, args.min_logmass)
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data = main_progenitor_mah(cat, merger_reader, args.simname,
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verbose=verbose)
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save_output(data, nsim, args.simname, verbose=verbose)
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work_delegation(main, list(nsims), MPI.COMM_WORLD)
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